IOS UILabel

添加UILabel

let rect = CGRect(x：20, y：100, width：280, height：80) let label = UILabel(frame：rect) label.text = “Hello, Xcode and Swift 3！” let font = UIFont(name：“Arial”, size：24) label.font = font label.textAlignment = NSTextAlignment.right label.textColor = UIColor.purple label.backgroundColor = UIColor.yellow self.view.addSubview(label)